<?php
function isStringOrNumeric($in) {
// Return true if $in is either a string or numeric
return is_string($in) || is_numeric($in);
}
class Test{}
$a = array( 'one', 2, 'three', new Test());
$b = array_filter($a, 'isStringOrNumeric');
if($b === $a)
echo('Success!');
else
echo('Fail!');
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Fail!